Compressor



FIG. 1 is a left side elevational view showing the design;

FIG. 2 is a rear elevational view showing the design;

FIG. 3 is a right side elevational view showing the design;

FIG. 4 is a front elevational view showing the design;

FIG. 5 is a top plan view showing the design; and,

FIG. 6 is a bottom plan view showing the design. 

The ornamental design for a compressor, as shown and described. 